Definitions of words in Genesis 1:8:
Day {Easton's Bible Dictionary}
Day {International Standard Bible Encyclopedia}
Firmament {Easton's Bible Dictionary}
Firmament {International Standard Bible Encyclopedia}
Heaven {Easton's Bible Dictionary}
Heaven {International Standard Bible Encyclopedia}
Morning {International Standard Bible Encyclopedia}
Evening {Easton's Bible Dictionary}
God {Easton's Bible Dictionary}
Other definition entries containing Genesis 1:8:
World, Cosmological {I.S.B.E.}